EP 4272663 A1 20231108 - SPINAL FIXATION SYSTEM
Title (en)
SPINAL FIXATION SYSTEM
Title (de)
WIRBELSÄULENFIXATIONSSYSTEM
Title (fr)
SYSTÈME DE FIXATION VERTÉBRALE
Publication
Application
Priority
US 202263338116 P 20220504
Abstract (en)
A polyaxial pedicle screw (200) including a housing (220), a friction plug (230), an anvil (240), a bone screw member (260), and a compression ring or cap (280). The housing includes opposing arms (220a, 220b), a collar (224) at a bottom portion of the housing, a cutout (224a), and a passage (222). The anvil is positioned in the passage. The bone screw member includes a head (262) and a threaded shaft (266) extending from the head along a shaft axis, wherein the head is configured to be positioned in the passage. The friction plug is positioned in the cutout, wherein the friction plug applies a force to the head. The compression ring or cap is positioned over the collar and the friction plug.
IPC 8 full level
A61B 17/70 (2006.01)
CPC (source: EP US)
A61B 17/7032 (2013.01 - US); A61B 17/7035 (2013.01 - US); A61B 17/7037 (2013.01 - EP)
Citation (search report)
- [YA] US 2012046699 A1 20120223 - JONES SCOTT [US], et al
- [YA] US 2020054366 A1 20200220 - ARK TIMMON [US], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DOCDB simple family (application)
EP 23171529 A 20230504; US 202318142794 A 20230503